Результаты поиска

1. A critical re-examination of the evidence for a possible dependence of Weddell seals (Leptonychotes weddellii) on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica

   (Dissostichus mawsoni; ‘toothfish’) in the Ross Sea may affect the ecological viability of top predators such as ... of potential prey species including toothfish in the context of updated estimates of Weddell seal ... -energy food resource for Weddell seals that possibly cannot be adequately replaced by other prey, in ... antarcticum) in Weddell seal diets should be re-examined given the known biases of methods used to derive diet ...

   Meeting Document : WG-EMM-13/28 : Автор(ы): R. Eisert, M.H. Pinkerton (New Zealand), S.D. Newsome and O.T. Oftedal (USA)

2. A spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of the Ross Sea region

   Antarctic toothfish in the Ross Sea region, for a medium scale spatial resolution (189 spatial cells ... ) covering the Ross Sea region. In this model run we spatially restrict the stock to cells where at least 5 ... plausible distribution hypothesis in-between the two extreme bounding hypotheses represented by the ... about the distribution of toothfish in areas where no fishing has occurred, such that the unrestricted ...

   Meeting Document : WG-FSA-13/53 : Автор(ы): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)

3. Selectivity and two biomass measures in an age-based assessment of Antarctic krill (Euphausia superba)

   selectivities were examined. Parameters were estimated in phases with the sequential order of the phases ... quantities was tested using simulated data. Annual trends in the estimates of total biomass, spawning biomass ... trends in population biomass, but less variable estimates of scale, compared to time-constant ... in any integrated stock assessment with parameters estimated in phases. Author(s):  D. Kinzey, G.M ...

   Meeting Document : WG-EMM-15/P07 : Автор(ы): D. Kinzey, G.M. Watters and C.S. Reiss

4. Australia’s actions and regional cooperation to combat IUU activities in the 2014/15 fishing season

   Abstract:  The 2014/15 CCAMLR fishing season has seen significant progress in the fight to combat ... that international cooperation has been instrumental in the successes seen in 2014/15. Author(s ... ):  Delegation of Australia Title:  Australia’s actions and regional cooperation to combat IUU activities in the ...

   Meeting Document : CCAMLR-XXXIV/BG/17 : Автор(ы): Delegation of Australia

5. ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA

   , and haul) based on a state-space model, which can separate biological process error in the population ... dynamics from observation error caused by the fishery activity and individual observation. In both krill ... variability of krill population structure and a difficulty in predicting krill population dynamics. Variances ... enlarging haul coverage > 50% have smaller effects in improving data accuracy and may not balance the ...

   Meeting Document : WG-EMM-11/39 : Автор(ы): T. Okuda and M. Kiyota (Japan)

6. Review of CCAMLR activities on monitoring marine debris in the Convention Area

   on marine mammals and seabirds in the Convention Area has been reviewed. The CCAMLR Marine Debris ... , reached a peak in the period 1994–1996 at Bird Island and Signy Island has declined thereafter. The level ... of marine debris found in seabird colonies at Bird Island has continually increased, with fishing ... ) entanglement at Bird Island reached a peak in 1993 and showed a decline until 2000 since when there has been a ...

   Meeting Document : SC-CAMLR-XXII/BG/25 : Автор(ы): Secretariat

7. Sources of variance in studies of krill population genetics

   Abstract:  There is a long-term interest in the population genetics of Antarctic krill species ... resurgence of interest in identifying distinct stocks of swarming krill species has been driven by the ... structure. More recent investigations using sequence variation in mitochondrial DNA (mtDNA) did indicate ... variance attributable to differences between regions. Genetic differentiation between stocks of krill in ...

   Meeting Document : WG-EMM-01/12 : Автор(ы): S.N. Jarman and S. Nicol (Australia)

8. Improvements to the multiple-frequency method for in situ target strength measurements

   to improve the accuracy and precision of in-situ target strength (TS) measurements using split-beam ... integer multiples of each other. In this study, the method itself was improved by: 1) optimizing the ... in radial range and ±0.7° off-axis (compared to ±l.0 m ±l.5° in the previous study). These ... for in situ target strength measurements Approval:  Approved ...

   Meeting Document : WG-EMM-99/38 : Автор(ы): D.A. Demer (USA) and M.A. Soule (South Africa)

9. Relationships of Antarctic krill (Euphausia superba Dana) variability with westerlies fluctuations and ozone depletion in the Antarctic Peninsula area

   long-term relationship between Antarctic krill recruitment in the Antarctic Peninsula area and sea ... meaning strong westerly winds coincided with good levels of krill recruitment in 1981182 (austral summer ... coincided with the extremely poor krill recruitment in 1982/83, 1983/84, 1988/89, 1991192 and 1992/93. We ... also found significant correlations between krill stock density in the Antarctic Peninsula area and the ...

   Meeting Document : WS-AREA 48-98/5 : Автор(ы): M. Naganobu, K. Kutsuwada, Y. Sasai and S. Taguchi (Japan)

10. Marine Protected Area planning by New Zealand and the United States in the Ross Sea region

    a system of MPA in the Convention Area by 2012 (SC-CAMLR XXVIII, 3.28) and has encouraged Members to ... MPA planning processes  undertaken by New Zealand and the United States, working in parallel and in ... collaboration with each other, to design MPA scenarios in the Ross Sea region.  The paper presents separate MPA ... Protected Area planning by New Zealand and the United States in the Ross Sea region Approval:  Approved ...

    Meeting Document : WS-MPA-11/25 : Автор(ы): B.R. Sharp (New Zealand) and G.M. Watters (USA)

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